Since before the NC, speculation has existed on the next MX5.
Speculation, in earnest, started 2003 with the concept Ibuki
In retrospect, it was a strong hint, despite Bob Hall (Bwob on other forums) going out of his way to dismiss it,
Saddly the (allegedly) Russian hack of the Internet Archive might have wiped out much of the Internet’s past, potentially a greater loss of human records than the loss of the Great Library at Alexandria.
This was supposed to be the ND
Or maybe it was this
But you get an idea where these rumours came from when you see this: